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A038147 Number of polyhexes with n cells. 8
1, 1, 3, 7, 22, 83, 341, 1519, 7114, 34350 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..10.
J. V. Knop, K. Szymanski, Ž. Jeričević, and N. Trinajstić, On the total number of polyhexes, Match, No. 16 (1984), 119-134.
CROSSREFS
See A000228 for another version of this sequence.
Cf. A018190, A038143-A038146.
Sequence in context: A187982 A000228 A108070 * A252784 A364627 A082271
Adjacent sequences: A038144 A038145 A038146 * A038148 A038149 A038150
KEYWORD
nonn,hard,more
AUTHOR
N. J. A. Sloane.
STATUS
approved

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Last modified May 15 14:34 EDT 2024. Contains 372540 sequences. (Running on oeis4.)